diff --git a/src/test/runTest.ts b/src/test/runTest.ts
index 15383d9a9..b9d5c3d1b 100644
--- a/src/test/runTest.ts
+++ b/src/test/runTest.ts
@@ -17,6 +17,7 @@ async function main(): Promise<any> {
 
     // Download VS Code, unzip it and run the integration test
     await runTests({
+      version: 'insiders', // Download latest insiders.
       extensionDevelopmentPath,
       extensionTestsPath,
       launchArgs: [testWorkspace, '--disable-extensions'],